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3 years ago

Determine the area of a square with side length 2√7 in.

Mathematics

1 answer:

Ainat [17]3 years ago

3 0

Answer:

28 inch

Step-by-step explanation:

The length of all four sides of square is equal.

The formula used for finding the area of square is:

Area = (Length) × (Length)

Thus, the Area of square whose length is 2√7 is:

Area = 2√7 × 2√7

⇒ Area = 4 × 7 = 28 inch.

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Answer:

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Step-by-step explanation:

Using Pythagoras' identity in the right triangle

x² + 11² = 17²

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x = $\sqrt{168}$ ≈ 12.96 ( to the nearest hundredth )

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3 years ago

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4 years ago

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4 years ago

Read 2 more answers